A novel reaction of 7,7,8,8-tetracyanoquinodimethane (TCNQ): charge-transfer chromophores by [2 + 2] cycloaddition with alkynes
作者:Milan Kivala、Corinne Boudon、Jean-Paul Gisselbrecht、Paul Seiler、Maurice Gross、François Diederich
DOI:10.1039/b713683h
日期:——
A series of donor–acceptor molecules, featuring intense low-energy intramolecular charge-transfer bands, was prepared by regioselective [2 + 2] cycloaddition between 7,7,8,8-tetracyanoquinodimethane (TCNQ) and N,N-dialkylanilino-substituted (DAA-substituted) alkynes, followed by ring opening of the initially formed cyclobutenes.
通过7,7,8,8-四氰基喹喔啉(TCNQ)与N,N-二烷基苯胺取代的(DAA取代的)炔烃之间的区域选择性[2 + 2]环加成反应,随后对初始形成的环丁烯进行环开裂,制备了一系列具有强烈低能内分子电荷转移带的供-受体分子。